{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-59308","assignerOrgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","state":"PUBLISHED","assignerShortName":"vmware","dateReserved":"2026-07-04T18:13:46.709Z","datePublished":"2026-08-21T12:07:07.992Z","dateUpdated":"2026-08-21T14:29:06.814Z"},"containers":{"cna":{"providerMetadata":{"orgId":"dcf2e128-44bd-42ed-91e8-88f912c1401d","shortName":"vmware","dateUpdated":"2026-08-21T12:07:07.992Z"},"title":"Semantic Cache Cross-Tenant Isolation Bypass via SHA-256 Truncation","problemTypes":[{"descriptions":[{"lang":"en","description":"Exposure of Resource to Wrong Sphere","type":"CWE","cweId":"CWE-668"}]}],"impacts":[{"descriptions":[{"lang":"en","value":"In Spring AI's Semantic Cache support, the context hash used to isolate cached responses between different system prompts could allow cached responses to be shared across unrelated contexts."}]}],"affected":[{"vendor":"Spring","product":"Spring AI","versions":[{"status":"affected","version":"2.0.0","versionType":"custom"}],"defaultStatus":"unaffected"}],"descriptions":[{"lang":"en","value":"In Spring AI's Semantic Cache support, the context hash used to isolate cached responses between different system prompts could allow cached responses to be shared across unrelated contexts.\nAffected versions:\nSpring AI: 2.0.0","supportingMedia":[{"type":"text/html","base64":false,"value":"<p>In Spring AI's Semantic Cache support, the context hash used to isolate cached responses between different system prompts could allow cached responses to be shared across unrelated contexts.</p><p>Affected versions:</p><ul><li>Spring AI: 2.0.0</li></ul>"}]}],"references":[{"url":"https://spring.io/security/cve-2026-59308"}],"metrics":[{"format":"CVSS","scenarios":[{"lang":"en","value":"GENERAL"}],"cvssV3_1":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:N","baseScore":4.2,"baseSeverity":"MEDIUM","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"LOW","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"LOW","integrityImpact":"LOW","availabilityImpact":"NONE"}}],"source":{"discovery":"UNKNOWN"}},"adp":[{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-08-21T14:28:54.448242Z","id":"CVE-2026-59308","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-08-21T14:29:06.814Z"}}]}}